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Before and after soft washing on home siding — green algae removed

Exterior Soft Washing — A Deeper Clean, Without the Damage

Mold, moss, algae, and rust stains removed safely — with results that last longer than aggressive pressure washing.

The same climate that grows moss on Puget Sound roofs grows algae, mold, and mildew on siding, stucco, fences, and concrete. First Choice Roof Service offers gentle, effective soft washing that safely removes mold, moss, algae, rust, and other stains from surfaces like stucco, vinyl, stone, and cement.

Soft washing works differently from pressure washing: instead of blasting surfaces with damaging high pressure, it uses tailored cleaning solutions that kill organic growth at the source. That's why our results typically last longer than aggressive pressure washing — and why your siding, paint, and mortar stay intact.

It's the ideal companion service to a roof cleaning: one visit, and the whole exterior of your home looks new again.

Why Homeowners Choose Us for Exterior Soft Washing

Safe on delicate surfaces

Stucco, vinyl siding, stone, brick, and cement — cleaned without the etching and stripping high pressure causes.

Longer-lasting results

Tailored cleaning solutions kill growth at the source, so surfaces stay clean noticeably longer than a pressure-wash alone.

Rust & stain removal

Rust stains on patios and driveways, mildew on siding, algae on fences — treated with the right solution for each surface.

Curb appeal, instantly

Selling or just proud of your home? Soft washing is one of the fastest, cheapest ways to transform how it looks.

How It Works

  1. Surface assessment

    Different surfaces and stains need different solutions — we identify what we're treating before we start.

  2. Tailored application

    Low-pressure application of the right cleaning solution for each surface — siding, stucco, stone, or concrete.

  3. Dwell & rinse

    Solutions do the work chemically, then we rinse gently. No blasting, no damage.

  4. Walkaround

    We check every treated surface with you before we leave.

Exterior Soft Washing FAQs

What's the difference between soft washing and pressure washing?

Pressure washing relies on force — which can strip paint, etch concrete, and drive water behind siding. Soft washing uses low pressure and tailored cleaning solutions that kill mold, algae, and mildew at the source. The clean is gentler and typically lasts longer.

What surfaces can you soft wash?

Stucco, vinyl siding, stone, brick, cement, and most painted surfaces. We match the cleaning solution to the surface and the stain — mold, moss, algae, rust, or general grime.

Will soft washing hurt my plants or pets?

We take precautions — pre-wetting and rinsing landscaping around treated areas and advising you on keeping pets clear during the work. Tell us about any sensitive plantings when we quote and we'll plan around them.

How long do soft washing results last?

Because the solutions kill organic growth rather than just knocking it off, results typically last considerably longer than a pressure wash. Exact timing depends on shade, moisture, and tree cover around your home.

Can you remove rust stains from concrete?

Yes — rust requires a specific treatment rather than raw pressure, and it's one of our common requests. Patios, driveways, and walkways clean up remarkably well.

Need exterior soft washing? Start with a free estimate.

Free inspections. Free written estimates. No pressure — that's been our promise for over 17 years.